Authors’ contributions:
Fei Zhao and Chenglin Luo collect the data and review the patients’ images. Xiangyan Chen and Qing Wang analyze and interpret the data. Fei Zhao and Chenglin Luo edit the manuscript. Xiangyan Chen and Qing Wang revise the manuscript. Wang Zeng provides the concept and is a participant in the manuscript editing. All authors read and approve the final manuscript.
# Fei Zhao and Chenglin Luo should be considered as the first author equally.